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Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 PM AST Tue Dec 2 2025

PRZ001-030800-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      73          87          75          87          76
Temp             77 76 74 73 79 85 87 81 78 77 76 75 80 86 87 82 79 78 77 76 80
Dewpt            72 72 72 71 72 72 72 72 72 72 72 72 73 73 73 73 73 73 72 72 72
RH               85 87 93 93 79 65 61 74 82 85 87 90 79 65 63 74 82 85 85 87 77
Wind dir         SE SE  S  S SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          2  3  4  3  4  9 12 10  8  6  4  5  6 10 12 11 10  9  9  8  9
Clouds           SC CL SC FW SC SC B2 B1 SC SC B2 B2 SC SC B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     50          50          50          40          40
QPF 12hr                   0.11        0.21        0.19        0.18        0.05
Rain shwrs        C     C  S  S  C  C  C  C  S  C  C  C  C  C  C  C  C  C  C  C
Tstms                                                       S  S
Heat index                      92 93 85             84 93 94 87 83          84
Max heat         84                94    91          84    95    92          84


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      75    87      74    87      75    87      74    87
Temp          87 78   76 80 87 78   75 79 87 78   76 80 87 78   75 79 87 78
Dewpt         71 72   71 71 72 72   71 72 72 72   72 72 71 71   71 71 71 71
PWind dir         E       E     E       E     E       E     E      SE     E
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   B1 SC FW FW   SC SC SC FW   B1 B1 B1 B1   SC SC SC FW
PoP 12hr         40      40    20      40    40      40    40      30    30
Rain shwrs     C  C    C  C     S    S  C  C  C    C  C  C  C    C  C  C  S

$$
PRZ002-030800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      74          85          75          85          76
Temp             77 76 75 74 78 84 85 80 78 77 76 75 79 84 85 81 79 78 77 76 80
Dewpt            73 73 72 72 74 74 74 74 73 74 74 74 75 75 75 74 74 74 74 73 74
RH               87 90 90 93 88 72 70 82 85 90 94 97 88 74 72 79 85 88 90 90 82
Wind dir          E SE SE SE  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E
Wind spd          3  4  6  5  8 10  9  8  9  9  9  8  8 11 11 11 10 10 11 11  9
Clouds           SC SC SC SC SC SC B2 B1 SC SC B2 B2 SC SC B1 B1 B2 B2 B2 B2 SC
PoP 12hr                     50          50          50          50          50
QPF 12hr                   0.13        0.22        0.20        0.18        0.06
Rain shwrs        C  C  C  S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                                                       S  S
Heat index                      91 92 84                92 93 86             84
Max heat         83                92    90                93    91          84


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      76    85      75    85      75    85      75    84
Temp          85 79   77 80 85 78   76 79 85 78   76 79 85 78   76 79 84 78
Dewpt         74 73   72 73 74 73   72 74 74 73   73 74 73 73   72 72 72 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   SC B1 SC FW   SC B1 SC FW   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         30      40    40      50    50      40    40      30    30
Rain shwrs     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
PRZ007-030800-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      72          86          72          87          73
Temp             76 75 73 72 78 84 86 79 76 75 73 72 78 85 87 80 77 76 74 73 79
Dewpt            69 69 68 68 68 68 70 70 69 68 68 68 68 68 70 72 70 69 69 69 69
RH               79 82 84 87 71 59 59 74 79 79 84 87 71 57 57 77 79 79 84 87 72
Wind dir          N NE NE NE NE SE SE SE NE NE NE NE NE  E  E  E NE NE NE NE NE
Wind spd          2  3  3  3  3  8 11  8  4  4  3  4  3 10 14 11  6  5  5  4  4
Wind gust                                                  25
Clouds           B2 SC CL CL CL CL B2 B2 SC FW FW FW CL CL B1 B1 SC SC SC SC CL
PoP 12hr                     60          50          30          40          20
QPF 12hr                   0.36        0.17        0.03        0.13        0.02
Rain shwrs        L  C              C  C  C                 C  C  S  S  S  S
Tstms                                                       S  S
Heat index                      87 90                   89 91 84
Max heat         82                90    88                91    90


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      73    87      72    87      73    86      72    86
Temp          87 77   74 79 87 76   73 78 87 77   74 78 86 76   73 78 86 76
Dewpt         68 67   69 66 68 68   67 67 70 66   68 67 70 71   68 68 69 71
PWind dir         E      NE     E      NE     E       E     E      NE     E
Wind char        GN      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW   CL CL FW FW   SC FW FW FW   CL CL CL FW   FW FW CL CL
PoP 12hr          5       0    10      10     0       0     5       5     0
Rain shwrs     S  S             S    S  S

$$
PRZ008-030800-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      72          83          73          84          73
Temp             75 74 73 72 76 82 83 78 76 75 74 73 77 83 84 79 76 75 74 73 78
Dewpt            72 72 71 68 71 73 74 73 73 73 71 70 73 74 75 74 73 73 72 71 73
RH               90 93 93 87 85 74 74 85 90 94 90 90 87 74 74 85 90 94 93 93 85
Wind dir         NE  E SE  E  E  E NE  E  E  E  E  E  E  E NE  E  E  E  E  E  E
Wind spd          8  8  6  5  4  4  6  8 11 10  9  9  9 13 16 16 17 13 12 11 13
Clouds           SC SC SC FW CL FW SC B1 SC FW SC SC FW FW SC SC SC SC SC SC SC
PoP 12hr                     40          40          20          30          10
QPF 12hr                   0.05        0.13        0.04        0.10        0.01
Rain shwrs        C  S  S  S     S  C  C  S  S  S  S        C  C  S  S  S  S  S
Heat index                      87 89                   89 91
Max heat                           90    87                92    89


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      73    85      72    85      72    84      72    84
Temp          85 76   74 78 85 76   73 77 85 76   73 77 84 75   73 77 84 75
Dewpt         73 73   71 71 73 72   70 71 74 73   70 71 74 72   70 70 70 72
PWind dir         E       E     E       E     E       E    NE       E     E
Wind char        BZ      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    SC FW   CL CL FW SC   CL CL FW SC   CL CL FW FW   FW FW FW FW
PoP 12hr         10       0    30       0    20       0    10       5    20
Rain shwrs     S  S          C  C          S  S          S  S             S

$$
PRZ010-030800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      70          88          70          90          71
Temp             76 73 71 70 77 86 87 79 75 73 71 70 78 88 89 81 77 74 72 71 79
Dewpt            73 72 71 70 71 74 75 75 73 72 71 70 73 75 76 75 74 73 72 71 73
RH               90 97100100 82 68 68 88 94 97100100 85 66 66 82 90 97100100 82
Wind dir         NE NE  E  E  E  W  W NE NE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8  6  4  4  2  1  6  2  4  5  3  3  3  4  5  4  9  8  6  6  6
Clouds           SC FW SC CL CL CL B2 OV B1 SC FW FW CL CL B2 B2 SC SC SC SC CL
PoP 12hr                     50          70          40          60          10
QPF 12hr                   0.13        0.67        0.06        0.29        0.01
Rain shwrs        C  S  C           L  L  C  S              L  L  S  S  S  S
Tstms                               S  S                    S  S
Heat index                      94 97                   98101 86
Max heat         84                98    94               102    97


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      71    90      70    90      71    89      70    89
Temp          89 77   72 79 89 76   71 78 89 77   72 78 88 76   71 78 88 76
Dewpt         74 72   70 71 74 72   70 71 74 73   70 71 75 73   70 71 69 71
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW   CL CL FW SC   CL CL FW SC   CL CL FW SC   CL CL FW SC
PoP 12hr         20       0    40       0    40       0    30       0    20
Rain shwrs     S  S          C  C          C  C          C  C          S  S

$$
VIZ001-030800-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      78          87          78          87          79
Temp             81 80 79 78 82 86 87 83 81 80 79 78 82 86 87 83 81 80 80 79 82
Dewpt            73 73 73 74 74 75 75 75 75 75 75 75 76 76 76 76 75 75 74 73 74
RH               77 79 82 88 77 70 68 77 82 85 88 91 82 72 70 80 82 85 82 82 77
Wind dir         SE  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8  9 10 12 12 13 11 13 16 14 13 13 16 14 16 16 17 18 19 16 13
Clouds           SC SC SC SC SC SC B1 B1 SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 FW
PoP 12hr                     50          40          40          40          40
QPF 12hr                   0.14        0.21        0.13        0.19        0.03
Rain shwrs        C  C  C  C  C  C  C  C  C  C  S  S  C  C  C  C  C  C  C  C
Tstms                                                       S  S
Heat index       85 84       87 95 96 90 86 84       88 96 97 91 87 86 84    88
Max heat         89    85    87    96    94    85    88    98    96    87    88


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      78    87      78    88      79    87      78    87
Temp          87 81   79 82 87 81   79 82 88 82   80 82 87 81   79 82 87 81
Dewpt         74 74   73 74 74 73   74 75 74 74   74 75 74 73   73 75 71 67
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    GN      GN    GN
Avg clouds    FW FW   SC SC SC FW   SC SC SC FW   SC SC SC SC   FW SC SC FW
PoP 12hr         10      20    30      30    10      20    20      10    10
Rain shwrs     S  S    S  S  S  C    C  C  S  S    S  S  S  S    S  S  S  S

$$
VIZ002-030800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 PM AST Tue Dec 2 2025

Date           12/02/25      Wed 12/03/25            Thu 12/04/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      74          86          75          86          75
Temp             77 76 75 74 79 85 86 81 78 77 76 75 79 85 86 81 78 77 76 75 79
Dewpt            72 72 72 72 74 73 74 73 74 74 74 74 75 75 74 74 74 74 73 72 74
RH               85 87 90 93 85 67 68 77 88 90 94 97 88 72 68 79 88 90 90 90 85
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          4  8  8 10 10 12 12 13 12 12 11 12 13 16 14 13 13 16 17 13 13
Clouds           SC SC SC SC SC SC B1 SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 CL
PoP 12hr                     50          50          40          40          40
QPF 12hr                   0.16        0.21        0.14        0.19        0.03
Rain shwrs        C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                                                       S  S
Heat index                      91 93 85             83 93 94 85             83
Max heat         84                93    91          83    94    91          83


Date           12/05  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25  Tue 12/09/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      75    86      74    86      75    85      75    86
Temp          86 78   76 79 86 77   75 79 86 78   76 79 85 78   76 79 86 78
Dewpt         73 72   72 73 73 73   72 74 73 73   73 73 73 72   72 73 69 68
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW FW   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         10      10    30      30    20      20    20      30    30
Rain shwrs     S  S    S  S  C  C    C  C  S  S    S  S  S  S    S  C  C  S

$$